For those who can only speak one language, people who have the ability to speak multiple are often a source of fascination. What language do they think in? Can they switch mid-way through? Do they only dream in one language or both?

Exercise is good for you, this we know. It helps build muscle, burn fat and make us all into happier, healthier people. But long before you start looking the way you want, there are other hidden, more immediate, molecular and immunological changes taking place inside your cells. Changes which could be responsible for protecting us from heart disease, high blood pressure, type 2 diabetes – and even stave off old age and cancer.

France's leading cardiologists are telling the French to get under the covers on Valentine's Day, and as often as possible in fact, due to the mental and physical health benefits that come with regular love-making.